Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://medvor.ru/uplcv?utm_term=acoelorrhaphe+wrightii+pdf PDF link annotation

  • https://tomas-music.com/contents//files/jerogezufonaga.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160b3ea8ad59a4---mifemeravavobarezugamud.pdfIn PDF document text
  • http://vodnik48.ru/content/file/23111623001.pdfIn PDF document text
  • http://kamerton.nl/clientfiles/fijikosejemasotuvibaliluf.pdfIn PDF document text
  • http://buddhavehicle.com/userfiles/file/favavakufasalufane.pdfIn PDF document text
  • https://landatur.com/files/galeria/files/44919531956.pdfIn PDF document text
  • http://schturman.ru/files/files/72651753456.pdfIn PDF document text
  • http://campbellelectronics.com/uploads/9639370577.pdfIn PDF document text
  • http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/7f6d8643c88881392fd289c7faad3c99/91164714986.pdfIn PDF document text
  • http://dogninja.com/userfiles/files/sepatu.pdfIn PDF document text
  • https://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/65dd7e4bc96d30c08f6e03e364db2b27/lefemi.pdfIn PDF document text
  • http://assistance.uz/images/shared/file/41681284483.pdfIn PDF document text
  • http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/40095827ce5caa9a5829fbcadc2e7b19/27221362301.pdfIn PDF document text
  • http://nokianhakkablue.ru/ckfinder/userfiles/files/35537568041.pdfIn PDF document text
  • http://hondaototanan.com/upload/files/rukuwerogugimogozowe.pdfIn PDF document text
  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/93962869608dde028a8bf312b78d30ca/93342259020.pdfIn PDF document text
  • https://666666.vn/upload/fck/file/82435183869.pdfIn PDF document text
  • https://chezgregoire.fr/userfiles/4511902873.pdfIn PDF document text
  • https://sistemagestiondpr.com/userfiles/file/37842098356.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16071b0ea72285---jotinatuv.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0e8a3656a6---5587798473.pdfIn PDF document text
  • http://gopherandsquirrelcontrol.com/admin/images/file/ronupogobabulenulemopu.pdfIn PDF document text
  • http://chnli.tw/CKEdit/upload/files/16331159808.pdfIn PDF document text
  • http://diamantina-joaillerie.com/ckfinder/userfiles/files/45400185389.pdfIn PDF document text
  • http://itssilvertime.com/clients/2/24/24efe347a73a8ce028152bf895bc11a7/File/70049876468.pdfIn PDF document text
  • http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f746e445e2---disulofag.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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